package duo_animanl;

public class Cat extends  Animal {

    @Override
    public  void speak()
    {
        System.out.println("CAT:喵喵喵");
    }
    //新增方法
 public void skill()
{
    System.out.println("CAT:猫可以爬树");
}
void xin()
{
    super.speak();
}
}
